Look for LessTif in /usr/X11R6/LessTif/ before Motif.

Handle $GCC_LINK_TEST_OPTIONS and
$NON_GCC_LINK_TEST_OPTIONS after the AC_PROG_... macros.

diff --git a/configure.in b/configure.in
index ef93016d717968b6bcff73d0d9f23b31ad15ec65..d7268b1ca847b693e091f39c153b598b50b0aab0 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1200,16 +1200,6 @@ then
   CC="$CC $NON_GCC_TEST_OPTIONS"
 fi
 
-if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
-then
-  ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
-fi
-
-if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
-then
-  ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
-fi
-
 #### Some other nice autoconf tests.  If you add a test here which
 #### should make an entry in src/config.h, don't forget to add an
 #### #undef clause to src/config.h.in for autoconf to modify.
@@ -1223,6 +1213,18 @@ if test "x$RANLIB" = x; then
   AC_PROG_RANLIB
 fi
 
+dnl Add our options to ac_link now, after it is set up.
+
+if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
+then
+  ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
+fi
+
+if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
+then
+  ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
+fi
+
 dnl checks for Unix variants
 AC_AIX
 
@@ -1817,6 +1819,14 @@ if test "${HAVE_X11}" = "yes"; then
 fi
 
 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
+  AC_CACHE_CHECK(for LessTif where some systems put it,
+  [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
+    [int x = 5;],
+    emacs_cv_lesstif=yes, emacs_cv_lesstif=no)
+  if test $emacs_cv_lesstif = yes; then
+    CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
+    LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
+  fi
   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)